单词	冕洞--日冕洞
释义	冕洞；日冕洞coronal hole
随便看	public domain software--pds public domain software，pds public domain，pd public drive public duties public duty public duty (civil law) public economics public economy public education public education networks public education networks {=pens} public e-marketplace public employee public employment public enemy public enemy number one public enermies public enforcement of antitrust law public engagement of science public engagement of science {=pes} public engineering survey public enquiry public enterprise public entity